1. Lecture Notes in Computer Science;M. Balser,2000
2. Lecture Notes in Computer Science;B. Beckert,2007
3. Lecture Notes in Artificial Intelligence,2007
4. Beckert, B., Klebanov, V.: Must program verification systems and calculi be verified. In: Proceedings, 3rd International Verification Workshop (VERIFY), Workshop at Federated Logic Conferences (FLoC), Seattle, USA (2006)
5. Lecture Notes in Computer Science;L. Burdy,2003